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Mr. Sardonicus

6.319611h 30mNRMovieHorrorMystery

In 1880, Sir Robert Cargrave, a London physician known for his experimental work in paralysis treatment, is summoned to Gorslava by the mysterious Baron Sardonicus—who is now married to Cargrave's former wife, Maude—to treat his…

DirectorWilliam Castle
WriterRay Russell
ProducerWilliam Castle

Where to watch

FlixFlingFlixFling
Availability shown for Canada · rights vary by country

Cast · Directed by William Castle

RLRonald Lewis
Ronald Lewis
Sir Robert Cargrave
ADAudrey Dalton
Audrey Dalton
Maude Sardonicus
GRGuy Rolfe
Guy Rolfe
Baron Sardonicus
OHOskar Homolka
Oskar Homolka
Krull
VSVladimir Sokoloff
Vladimir Sokoloff
Henryk Toleslawski
EPErika Peters
Erika Peters
Elenka Toleslawski
LH
Lorna Hanson
Anna
CC
Constance Cavendish
Mrs. Higgins (uncredited)
JF
James Forrest
Geoffery Wainwright (uncredited)
TW
Tina Woodward
The Girl (uncredited)
MP
Mavis Neal Palmer
Head Nurse (uncredited)
CR
Charles H. Radilak
Stationmaster (uncredited)

More from Ronald Lewis · Lead actor

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More from Audrey Dalton · Co-star actress

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More from William Castle · Director

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Mr. Sardonicus — streaming FAQ

Which OTT platform streams Mr. Sardonicus?

Mr. Sardonicus is streaming on FlixFling in Canada. It's not currently on Netflix.

Is Mr. Sardonicus on Netflix?

No, Mr. Sardonicus is not on Netflix in Canada as of November 2026. It's currently on FlixFling.

Is Mr. Sardonicus on Amazon Prime Video?

No, Mr. Sardonicus isn't on Amazon Prime Video in Canada right now. It's on FlixFling instead.

Where can I watch Mr. Sardonicus for free?

Mr. Sardonicus is available on FlixFling in Canada, but you'll need an active subscription — there's no free option right now.